package com.example.securityredis.Config;

import com.example.securityredis.filter.JwtAuthenticationTokenFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

/**
 * ┏┓　　　┏┓
 * ┏┛┻━━━┛┻┓
 * ┃　　　　　　　┃
 * ┃　　　━　　　┃
 * ┃　┳┛　┗┳　┃
 * ┃　　　　　　　┃
 * ┃　　　┻　　　┃
 * ┃　　　　　　　┃  @Auther: wangshenghui
 * ┗━┓　　　┏━┛    @Date: 2022/09/28/10:41
 * 　　┃　　　┃神兽保佑
 * 　　┃　　　┃代码无BUG！
 * 　　┃　　　┗━━━┓
 * 　　┃　　　　　　　┣┓
 * 　　┃　　　　　　　┏┛
 * 　　┗┓┓┏━┳┓┏┛
 * 　　　┃┫┫　┃┫┫
 * 　　　┗┻┛　┗┻┛
 *
 */
/**
 * @Author 三更  B站： https://space.bilibili.com/663528522
 */
@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {


    @Autowired
    private JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;

    @Autowired
    private AuthenticationEntryPoint authenticationEntryPoint;

    @Autowired
    private AccessDeniedHandler accessDeniedHandler;

    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }


    @Override
    protected void configure(HttpSecurity http) throws Exception {
//        http
//                //关闭csrf
//                .csrf().disable()
//                //不通过Session获取SecurityContext
//                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
//                .and()
//                .authorizeRequests()
//                // 对于登录接口 允许匿名访问
//                .antMatchers("/user/login").anonymous()
//                // 除上面外的所有请求全部需要鉴权认证
//                .anyRequest().authenticated();

        http.csrf().disable()
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                        .and()
                                .authorizeRequests()
                                        .antMatchers("/user/login").anonymous()
                                        .antMatchers("/hello").permitAll()
                                        .antMatchers("/index.html","/img/*").permitAll()
                        .anyRequest().authenticated();

        // 把token校验过滤器添加到过滤器链中
        http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
//        配置异常处理器
        http.exceptionHandling()
//                认证失败处理器
                .authenticationEntryPoint(authenticationEntryPoint)
                .accessDeniedHandler(accessDeniedHandler);

    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }
}
